Karl Foerster Grass
Calamagrostis acutiflora
💧 Watering
Every 1–2 weeks once established
☀️ Light
Full sun to partial shade
💦 Humidity
Average
🌡️ Temperature
30–90°F (-1–32°C)
Soil
Average, well-draining soil
✨ Fertilizing
Once in spring
🪴 Repotting
Divide every 3–4 years
About Karl Foerster Grass
Upright feather reed grass with elegant vertical form. One of the most versatile and well-behaved ornamental grasses.
Care tips
- One of the best grasses for small spaces — very upright
- Tolerates clay soil better than most grasses
- Cut back in late winter before new growth emerges